CN217873326U - Guide cylinder of vertical submersible pump - Google Patents

Guide cylinder of vertical submersible pump Download PDF

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Publication number
CN217873326U
CN217873326U CN202222054596.6U CN202222054596U CN217873326U CN 217873326 U CN217873326 U CN 217873326U CN 202222054596 U CN202222054596 U CN 202222054596U CN 217873326 U CN217873326 U CN 217873326U
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China
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guide cylinder
main body
submersible pump
shell
vertical
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CN202222054596.6U
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Chinese (zh)
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张振东
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Baoding Sanhe Jingquan Pump Co ltd
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Baoding Sanhe Jingquan Pump Co ltd
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Abstract

The utility model discloses a guide cylinder of a vertical submersible pump, which is sleeved outside a motor part of the submersible pump in vertical installation and comprises a guide cylinder main body and a top flange plate, wherein the guide cylinder main body is in a cylindrical shape, and the top flange plate is arranged at the top of the guide cylinder main body and is connected to an enlarged flange plate at the upper part of a water inlet of the submersible pump through a bolt; the guide cylinder main body is provided with a side opening for water inlet on the side wall of the lower part, the length of the guide cylinder main body is larger than that of the motor part, and the bottom of the guide cylinder main body is hermetically provided with a sand setting groove. The utility model discloses vertical immersible pump draft tube can lead the rivers that get into the immersible pump, erodees the cooling to the motor position, is showing and is improving cooling performance.

Description

Guide cylinder of vertical submersible pump
Technical Field
The utility model relates to a immersible pump technical field especially relates to a vertical immersible pump draft tube.
Background
The submersible pump is an important device for pumping water from a deep well. When in use, the whole unit is submerged to work, and underground water is extracted to the ground surface, so that the unit is used for domestic water, mine emergency, industrial cooling, farmland irrigation, seawater lifting and ship load regulation, and can also be used for fountain landscape. When the submersible pump is used, particularly a high-power submersible pump, more heat can be generated due to high-speed rotation of an internal motor, long-term heat accumulation can accelerate the aging speed of a coil of the submersible pump, and the motor is easily damaged.
Therefore, it is necessary to develop a guide cylinder of a vertical submersible pump aiming at the above defects.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a vertical immersible pump draft tube can lead the rivers that get into the immersible pump, erodees the cooling to the motor position, is showing and is improving cooling performance.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a guide shell of a vertical submersible pump, which is sleeved outside a motor part of the submersible pump in vertical installation and comprises a guide shell main body and a top flange plate, wherein the guide shell main body is in a cylindrical shape, and the top flange plate is arranged at the top of the guide shell main body and is connected to an enlarged flange plate at the upper part of a water inlet of the submersible pump through bolts; the guide cylinder main body is provided with a side opening for water inlet on the side wall of the lower part, the length of the guide cylinder main body is larger than that of the motor part, and the bottom of the guide cylinder main body is hermetically provided with a sand setting groove.
Furthermore, the side openings are rectangular and two in number, and the two side openings are formed in a central symmetry manner along the axis of the motor part.
Further, the distance between the bottom surface of the grit chamber and the bottom surface of the submersible pump is not less than 15 cm.
Furthermore, the bottom shell is a cylindrical buckle cover and is in sealed buckling connection with the bottom end of the guide cylinder main body.
Further, a bolt through hole is formed in the side wall of the bottom shell, a threaded hole is formed in the side wall of the bottom end of the draft tube main body, and a second bolt penetrates through the bolt through hole and is in threaded connection with the threaded hole.
Furthermore, a base is arranged at the bottom of the bottom shell.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model relates to a vertical immersible pump draft tube establishes the draft tube main part through the coaxial cover in the motor portion outside, and the side opening that is used for intaking is offered to the draft tube main part on the lateral wall of lower part, and the rivers that intake constantly erode motor portion casing, keep cold water dynamic scouring cooling motor portion always, have improved the cooling effect. Through setting up draft tube main part length and being greater than motor portion and setting up the sand setting tank in the bottom, improve the side opening height, can reduce silt and enter into the draft tube main part, a small amount of silt that enters into water course in the draft tube main part also can deposit the sand setting tank in simultaneously, can not continue to go up to impeller portion, has reduced the wearing and tearing of impeller.
In addition, the area of a water inlet hole opening can be increased and the water inlet resistance can be reduced by symmetrically arranging two rectangular side openings; through setting up grit chamber height and being not less than 15 centimetres, guaranteed that the bottom has more stable water environment and avoids the silt of sediment to raise once more, can reduce the outside silt of vertical installation's immersible pump simultaneously and bury the open-sided height. Through the setting of end casing, set up the grit chamber into the structure that can open downwards, can be right when the immersible pump overhauls, convenient, thorough clears up the grit chamber. Through set up second bolted connection on the bottom shell lateral wall, convenient to detach. Through the setting of base, can keep apart the silt in shaft bottom, avoid directly bonding to the casing periphery on the bottom, influence the dismantlement of second bolt.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
Fig. 1 is a schematic view of the structure of the vertical submersible pump draft tube in embodiment 1 of the present invention;
fig. 2 is the structure schematic diagram of the bottom main view of the embodiment 2 of the guide shell of the vertical submersible pump of the utility model.
Description of reference numerals: 1. a motor section; 2. a water inlet; 3. an impeller portion; 4. enlarging a flange plate; 5. a draft tube main body; 6. a top flange plate; 7. a first bolt; 8. opening the side; 9. a grit chamber; 10. a bottom housing; 11. a second bolt; 12. a base.
Detailed Description
The core of the utility model is to provide a vertical immersible pump draft tube can guide the rivers that get into the immersible pump, erodees the cooling to the motor position, is showing and is improving cooling performance.
In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1, a vertical submersible pump draft tube is coaxially sleeved outside a motor part 1 provided with a vertical submersible pump, and comprises a draft tube main body 5 and a top flange plate 6. The draft tube main body 5 is in a cylindrical shape, the top flange plate 6 is integrally arranged at the top of the draft tube main body 5, and the top flange plate 6 is connected to the enlarged flange plate 4 on the upper part of the submersible pump water inlet 2 in a flange butt joint mode through the first bolt 7. The guide shell main part 5 is provided with a side opening 8 for water inlet on the side wall of the lower part, the length of the guide shell main part 5 is larger than that of the motor part 1, and the bottom of the guide shell main part is provided with a sand setting groove 9 in a sealing mode.
Through establishing draft tube main part 5 at the coaxial cover in the 1 outside of motor portion, draft tube main part 5 sets up the side opening 8 that is used for intaking on the lateral wall of lower part, and the rivers of intaking constantly erode motor portion 1 casing, keep cold water dynamic scouring cooling motor portion 1 always, have improved the cooling effect. Through setting up that draft tube main part 5 length is greater than motor portion 1 and set up grit chamber 9 in the bottom, improve side opening 8 height, can reduce in silt enters into draft tube main part 5, a small amount of silt that enters into 5 interior water courses of draft tube main part also can deposit grit chamber 9 simultaneously in, can not continue to wash to impeller portion 3 to the top, reduced the wearing and tearing of impeller.
Specifically, as shown in fig. 1, the side openings 8 are rectangular, the longitudinal direction is provided along the axial direction of the motor unit 1, the number of the side openings 8 is two, and the two side openings 8 are formed to be axisymmetrical along the axial line of the motor unit 1.
Specifically, as shown in fig. 1, the bottom surface of the grit chamber 9 is not less than 15 cm from the bottom surface of the submersible pump.
By symmetrically arranging the two rectangular side openings 8, the area of a water inlet orifice can be increased, and the water inlet resistance is reduced; through setting up grit chamber 9 height and being not less than 15 centimetres, guaranteed that the bottom has more stable water environment and avoids the silt of sediment to raise once more, can reduce the height that the outside silt of vertical installation's immersible pump buries side opening 8 simultaneously.
Example 2
As shown in fig. 2, the bottom structure of the vertical submersible pump guide cylinder of the present invention is improved based on embodiment 1. The utility model discloses vertical immersible pump draft tube still includes end casing 10, and 5 bottom openings in draft tube main part set up, and end casing 10 is the drum buckle closure form, and end casing 10 seals the lock joint in 5 bottoms in draft tube main part, and the 9 bottom surfaces of the sealed grit chamber of end casing 10 promptly.
Specifically, as shown in fig. 2, a bolt through hole is formed in a side wall of the bottom housing 10, a threaded hole is formed in a side wall of the bottom end portion of the draft tube main body 5, and the second bolt 11 penetrates through the bolt through hole and is in threaded connection with the threaded hole. A plurality of second bolts 11 are uniformly distributed on the side wall of the bottom shell 10.
Specifically, as shown in fig. 2, the bottom of the bottom case 10 is further provided with a base 12.
Through the setting of end shell 10, set up grit chamber 9 into the structure that can open downwards, can be right when the immersible pump overhauls, convenient, thorough clears up grit chamber 9. The second bolt 11 is arranged on the side wall of the bottom shell 10 for connection, so that the bottom shell is convenient to disassemble. Through the setting of base 12, can keep apart the silt in the shaft bottom, avoid directly bonding to the casing 10 periphery of end, influence the dismantlement of second bolt 11.
Installation the utility model discloses vertical installation immersible pump of vertical immersible pump draft tube is in the course of the work: the water body enters an interlayer between the guide cylinder main body 5 and the motor part 1 from the positions of the two side openings 8, and water flows upwards along the outer wall of the motor part 1 and enters the water inlet 2 to be pumped to the outlet of the pump body pipeline by the impeller part 3. While the water flow continuously washes the outer wall of the cooling motor part 1, the entrained silt is deposited in the grit chamber 9 at the bottom. When the cleaning is needed, only the second bolt 11 needs to be screwed off, and the bottom shell 10 is detached and washed clean with clear water.
The utility model discloses vertical immersible pump draft tube establishes draft tube main part 5 through the coaxial cover in the 1 outside of motor portion, and draft tube main part 5 sets up the side opening 8 that is used for intaking on the lateral wall of lower part, and the rivers that intake constantly erode motor portion 1 casing, keep cold water dynamic scouring cooling motor portion 1 always, have improved the cooling effect. Through setting up that draft tube main part 5 length is greater than motor portion 1 and set up grit chamber 9 in the bottom, improve side opening 8 height, can reduce in silt enters into draft tube main part 5, a small amount of silt that enters into 5 interior water courses of draft tube main part also can deposit grit chamber 9 simultaneously in, can not continue to wash to impeller portion 3 to the top, reduced the wearing and tearing of impeller. In addition, the two rectangular side openings 8 are symmetrically arranged, so that the area of a water inlet hole can be increased, and the water inlet resistance is reduced; through setting up grit chamber 9 height and being not less than 15 centimetres, guaranteed that the bottom has more stable water environment and avoids the silt of sediment to raise once more, can reduce the height that the outside silt of vertical installation's immersible pump buries side opening 8 simultaneously. Through the setting of end shell 10, set up grit chamber 9 into the structure that can open downwards, can be right when the immersible pump overhauls, convenient, thorough clears up grit chamber 9. The second bolt 11 is arranged on the side wall of the bottom shell 10 for connection, so that the bottom shell is convenient to disassemble. Through the setting of base 12, can keep apart the silt in shaft bottom, avoid directly bonding to shell 10 periphery on the bottom, influence the dismantlement of second bolt 11.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims (6)

1. A guide cylinder of a vertical submersible pump is sleeved outside a motor part (1) for vertically mounting the submersible pump and is characterized by comprising a guide cylinder main body (5) and a top flange plate (6), wherein the guide cylinder main body (5) is in a cylindrical shape, and the top flange plate (6) is arranged at the top of the guide cylinder main body (5) and is connected to an enlarged flange plate (4) at the upper part of a water inlet (2) of the submersible pump through bolts; the guide shell is characterized in that a side opening (8) for water inlet is formed in the side wall of the lower portion of the guide shell main body (5), the length of the guide shell main body (5) is larger than that of the motor portion (1), and a sand setting groove (9) is formed in the bottom of the guide shell main body in a sealed mode.
2. The vertical submersible pump guide cylinder according to claim 1, wherein: the side openings (8) are rectangular and two in number, and the two side openings (8) are symmetrically formed along the axis center of the motor part (1).
3. The vertical submersible pump guide cylinder according to claim 2, wherein: the distance between the bottom surface of the grit chamber (9) and the bottom surface of the submersible pump is not less than 15 cm.
4. The vertical submersible pump guide shell according to claim 1, wherein: the bottom shell (10) is a cylindrical buckle cover and is in sealed buckling connection with the bottom end of the guide cylinder main body (5).
5. The vertical submersible pump guide cylinder according to claim 4, wherein: the side wall of the bottom shell (10) is provided with a bolt through hole, the side wall of the bottom end part of the draft tube main body (5) is provided with a threaded hole, and a second bolt (11) penetrates through the bolt through hole and is in threaded connection with the threaded hole.
6. The vertical submersible pump guide cylinder according to claim 4, wherein: the bottom of the bottom shell (10) is also provided with a base (12).
CN202222054596.6U 2022-08-05 2022-08-05 Guide cylinder of vertical submersible pump Active CN217873326U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222054596.6U CN217873326U (en) 2022-08-05 2022-08-05 Guide cylinder of vertical submersible pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222054596.6U CN217873326U (en) 2022-08-05 2022-08-05 Guide cylinder of vertical submersible pump

Publications (1)

Publication Number Publication Date
CN217873326U true CN217873326U (en) 2022-11-22

Family

ID=84075576

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222054596.6U Active CN217873326U (en) 2022-08-05 2022-08-05 Guide cylinder of vertical submersible pump

Country Status (1)

Country Link
CN (1) CN217873326U (en)

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